Flat Earthers and what to do with them

2 The flat base of the Cone Sune is finite, obviously. Also it is 1,000,837,382,289,000,000,000,182,001 light years in diameter

That final 1 is very important

I had an Uber driver that was a "scientist", and he was working for these guys.

Gave me his business card and invited me to Doncaster for a weekend of lectures... Got him to drop me round the road from my house so he didnt know where i stayed, it was the longest taxi ride of my life.